div.music_download_box {
    position: fixed;
    top: 200px;
    left: 20px;
    height: 50px;
    width: 50px;
    background-color: #101010;
    z-index: 999999;
    line-height: 25px;
    text-align: center;
    color: #fff;
    cursor: pointer;
}

div.music_download_box.single {
    height: 25px;
}

div.music_download_box a {
    text-decoration: none;
    display: block;
    color: inherit;
    background-color: inherit;
    cursor: pointer;
}

div.music_download_box a:hover {
    color: #000;
    background-color: #ededed;
}

div.middle_content_box {
    position: fixed;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.2);
    width: 100%;
    height: 90%;
    padding-top: 10%;
    top: 0;
}

div.middle_content_box .content_container {
    position: relative;
    margin: 0 auto;
    height: calc(80% - 20px);
    background-color: #010101;
    width: calc(80% - 20px);
    overflow: auto;
    overflow-x: hidden;
    padding: 20px;
}

div.middle_content_box .content_container .content {
    word-break: break-all;
    font-size: 12px;
    line-height: 20px;
    color: #fff;
    height: 100%;
    overflow-y: scroll;
}

div.middle_content_box .content_container .content::-webkit-scrollbar {
    width: 0;
}

div.middle_content_box .content_container .content::-webkit-scrollbar-thumb {
    background: #000;
}

div.middle_content_box .content_container .content::-webkit-scrollbar-track {
    background: #000;
}

div.middle_content_box .content_container .arrow {
    width: 20px;
    height: 20px;
    background-size: contain;
    background-repeat: no-repeat;
    position: absolute;
    top: 4px;
    right: 4px;
    z-index: 99999;
    background-color: #fff;
    opacity: 0.5;
    cursor: pointer;
    transform: rotate(45deg);
}

div.middle_content_box .content_container .arrow:hover {
    transform: rotate(0);
    top: 0;
    right: 0;
    transition: all 0.25s ease-out;
}


/*新版音乐下载器布局*/

.ikrong-musicdownload {
    position: fixed;
    z-index: 999999;
    left: 50px;
    top: 20%;
    border-radius: 50%;
    background-color: #27AE60;
    width: 60px;
    height: 60px;
    opacity: 0.4;
    overflow: hidden;
    display: none;
}

.ikrong-musicdownload .music-button {
    position: relative;
    width: 100%;
    height: 100%;
    background-position: center;
    background-size: cover;
}

.ikrong-musicdownload div.download-list {
    position: absolute;
    padding-left: 80px;
    left: -20;
    top: -90px;
    opacity: 0;
    width: 60px;
    height: 240px;
    display: table;
}

.ikrong-musicdownload div.download-list div {
    height: 100%;
    display: table-cell;
    vertical-align: middle;
}

.ikrong-musicdownload div.download-list ul {
    list-style: none;
    position: relative;
    left: 0;
    width: 60px;
    height: auto;
    top: 0;
    bottom: 0;
}

.ikrong-musicdownload div.download-list ul li {
    width: 40px;
    height: 40px;
    display: block;
    font-size: 12px;
    text-align: center;
    line-height: 40px;
    background-color: rgb(39, 174, 96);
    border-radius: 50%;
    color: #fff;
    margin: 10px;
    cursor: pointer;
    margin-left: -60px;
}
